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Altimmune, Inc. (ALT) stock

ALTNasdaqPharmaceutical PreparationsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 12, 2026Score 4/30
$1.61−0.32 (-16.58%)

Close on Nov 12, 2026Market cap $313.17MP/E –Yield –

Altimmune statistics

73 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.

Important dates

Next earnings
Q3 FY2026, expected soon
Last ex-dividend date
Feb 6, 2017
Fundamentals through
Sep 30, 2026
Share price as of
Nov 12, 2026

Valuation ratiosIndustry

Market Cap
$313.17M
$280.48M
Enterprise Value
$83.10M
$148.62M
PB Ratio
0.71
2.05
P/TBV Ratio
0.71
2.29

Share statisticsIndustry

Shares Change (YoY)
95.5%
10.9%
Shares Change (QoQ)
0.03%
0.48%
Float
194M
49M
Shares Held by Insiders
0.51%
12.1%
Shares Held by Institutions
77.9%
56.4%

Short sellingIndustry

Short Interest
42M
–
Short Interest Change
-0.24%
-0.76%
Short % of Float
21.8%
9.06%
Short % of Shares Outstanding
21.7%
6.30%
Days to Cover
12.16
5.13

Stock price statisticsIndustry

52-Week High
$6.44
–
52-Week Low
$1.60
–
20-Day Moving Average
$2.07
–
50-Day Moving Average
$2.62
–
200-Day Moving Average
$3.15
–
Average True Range (14)
$0.15
–
Price Change (1 Week)
-18.3%
1.51%
Price Change (1 Month)
-30.3%
-2.37%
Price Change (3 Months)
-45.2%
-21.1%
Price Change (6 Months)
-44.9%
-22.8%
Price Change (YTD)
-55.4%
-22.6%
Price Change (1 Year)
-62.4%
-21.0%
Price Change (3 Years)
-34.0%
-24.8%
Price Change (5 Years)
-85.5%
-76.9%
Price Change (10 Years)
-99.8%
-63.2%
Average Volume (10 Days)
4M
–
Average Volume (20 Days)
4M
–
Average Volume (90 Days)
4M
–
Relative Volume
3.12
0.80
Relative Strength Index (14)
24.2
44.7
Volatility (1 Year)
71.7%
80.2%
Beta (5 Years)
1.07
1.07

Returns on capitalIndustry

Return on Equity (ROE)
-33.2%
-51.3%
Return on Assets (ROA)
-29.2%
-40.7%
Return on Invested Capital (ROIC)
-89.7%
-32.9%
Return on Capital Employed (ROCE)
-23.8%
-38.1%

Financial positionIndustry

Current Ratio
23.93
3.31
Quick Ratio
23.00
2.41
Debt / Equity
0.08
0.50
Interest Coverage
-27.65
-6.35

GrowthIndustry

Revenue Growth (5Y CAGR)
-65.3%
6.41%

EfficiencyIndustry

Profits Per Employee
-$8.03M
-$683.67K
Employee Count
13
75
WACC
10.2%
10.0%

Income statement (TTM)Industry

Operating Income
-$115.07M
-$20.99M
Pretax Income
-$104.35M
-$13.23M
Net Income
-$104.35M
-$21.61M
EBITDA
-$115.07M
-$16.85M
EPS (Diluted)
-$0.71
-$0.75

Balance sheetIndustry

Total Debt
$34.99M
$116.91M
Net Cash (Debt)
$230.07M
$16.98M
Net Cash Per Share
$1.18
$0.72
Equity (Book Value)
$443.57M
$52.68M
Book Value Per Share
$2.28
$1.50
Tangible Book Value
$443.57M
$26.74M
Working Capital
$264.24M
$78.52M

Cash flow (TTM)Industry

Operating Cash Flow
-$102.36M
-$12.27M
Capital Expenditures
-$118.00K
-$944.00K
Free Cash Flow
-$102.47M
-$18.20M
FCF Per Share
-$0.53
-$0.42

Dividends and yieldsIndustry

Earnings Yield
-33.3%
-21.0%
FCF Yield
-32.7%
-9.44%
Buyback Yield
-22.5%
-0.73%
Shareholder Yield
-22.5%
0.00%

Taxes and interestIndustry

Interest Expense
$4.16M
$2.97M

Scores and fair valueIndustry

Altman Z-Score
1.43
0.26
Piotroski F-Score
4
4

Total return vs. the S&P 500

Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.

PeriodALTS&P 500DifferenceALT per yearS&P 500 per year
1 month-37.1%-2.7%−34.4 pts
3 months-45.1%-1.7%−43.3 pts
Year to date-55.4%+11.9%−67.3 pts
1 year-61.9%+12.0%−73.9 pts
3 years-35.6%+78.2%−113.8 pts-13.6%+21.2%
5 years-85.5%+73.2%−158.7 pts-32.0%+11.6%
10 years-99.9%+309.6%−409.5 pts-49.4%+15.1%

Short interest

Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.

42M ALT shares were sold short on Oct 30, 2026, down 0.2% from the previous report, or 21.77% of the shares available to trade. At recent volumes it would take 12.2 days to buy them back. Over the last 20 sessions, 52.5% of the volume reported to FINRA was short selling.

Settlement dateShares shortChangeAvg. daily volumeDays to cover
Oct 30, 202642,131,170-0.2%3,464,21512.2
Oct 15, 202642,233,791-8.3%4,052,77510.4
Sep 30, 202646,079,911-11.0%4,373,58110.5
Sep 15, 202651,749,756+4.1%3,365,26115.4
Aug 31, 202649,714,773-2.5%4,200,07311.8
Aug 14, 202650,972,774-1.9%4,617,46611.0
Jul 31, 202651,938,259+7.7%4,534,30711.4
Jul 15, 202648,242,342+1.3%3,852,15512.5
Jun 30, 202647,634,141+13.6%5,904,2508.1
Jun 15, 202641,927,428+7.2%2,878,36314.6
May 29, 202639,121,187+3.9%2,704,75314.5
May 15, 202637,637,361+6.2%3,416,47811.0

Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.

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